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PFC Series TaNFilm ® Chip Resistors Precise, Stable, High Reliability, Moisture Resistant Resistor Solutions.

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Presentation on theme: "PFC Series TaNFilm ® Chip Resistors Precise, Stable, High Reliability, Moisture Resistant Resistor Solutions."— Presentation transcript:

1 PFC Series TaNFilm ® Chip Resistors Precise, Stable, High Reliability, Moisture Resistant Resistor Solutions

2 Substrate Termination Resistor Element The Solution Tantalum Nitride (TaNFilm ® ) Grows a Natural Protective Layer that Prevents Corrosion in Moisture This Protective Layer Grows Without Outside Processing TaNFilm ® is Naturally Robust in Humid Environments Tantalum Nitride Films do not Depend on External Coatings or Packaging to Prevent Moisture Corrosion Top View Side View Benefits of TaNFilm ® PFC Resistors Inherent Moisture Advantage over Nichrome Films

3 NiChromeTaNFilm ® Before NiChromeTaNFilm ® During NiChromeTaNFilm ® Gone in 60 Seconds Nichrome Films Dissolve in Water with a Voltage Applied Gray Area - Nichrome Film Dissolved. Open Circuit in <60 seconds!

4 Benefits of TaNFilm ® PFC Resistors Inherent Moisture Advantage over Nichrome Films External PC Board Coatings are Often Added in an Effort to Improve Nichrome Chip Resistor Moisture Performance TaNFilm ® Reduces the Need for External PC Board Coatings Lowers PC Board Assembly Cost Reduces Process Steps Reduced Risk of Warranty and Field Repairs Failed Nichrome Chips are Expensive to Replace in the Field Quality Perception is Impacted when a Product Fails Due to Nichrome Moisture Corrosion TaNFilm ® Provides Reduced Liability Risk for Life Critical Applications

5 Benefits of TaNFilm ® PFC Resistors Predictable Film Aging The Sole TaNFilm ® Aging Mechanism is the Growth of a Natural Protective Oxide Layer on the Film Surface Tantalum Nitride Resistors Predictably Shift Higher in Resistance as they Age Resulting in: Less Expensive Designs Thanks to Reduced Uncertainty Simpler Product End of Life Calculations Easier Determination of Product Stability Specifications Nichrome Aging is Complex and has many Mechanisms including Oxidation, Grain Boundary Variations, Grain Growth, and Alloying of the Nickel and Chromium Nichrome Resistors may Shift Either Higher or Lower in Resistance as They Age Resulting in: More Expensive Designs due to Aging Uncertainty Difficult Product End of Life Calculations Complex Determination of Product Stability Specifications TaNFilm ® Aging Nichrome Aging

6 Silver is Highly Reactive to Sulfur PFC Chip Resistors Contain no Silver PFC Series Passes Modified ASTM B-809 Sulfur Testing 1,000 Hours at 105°C Flowers of Sulfur Excellent Alternative to Silver Bearing Thick Film Chips Retain all of the Precision and Stability of TaNFilm ® Without the Risk of Sulfur Corrosion and Reactivity Benefits of TaNFilm ® PFC Resistors Outstanding Anti-Sulfuration Performance

7 Typical Application PFC Chips Precision Amplifier Gain Control Customer Benefits: Precise, Accurate Gain Control Stable Amplifier Gain over Time And Temperature Suitable for Outdoor Applications in Humid Environments

8 Typical Application Precision Voltage Divider - VRM TaNFilm ® PFC Series Chip Resistors Customer Benefits: Precise, Stable Output Voltage Feedback Ohmic Values selected for Exact Nominal Required for Desired Voltages Suitable for Outdoor Applications in Humid Environments

9 Tantalum Nitride - PFC Series Sizes Available – 0402, 0603, 0805, 1206, 1505, 2010, 2512 Sizes Available – 0402, 0603, 0805, 1206, 1505, 2010, 2512 Non-EIA Values Available Non-EIA Values Available Tolerances to ±0.02% Tolerances to ±0.02% Temperature Coefficients to ±10ppm/°C Temperature Coefficients to ±10ppm/°C PFC Series Thin Film Chip Resistors

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